Home / 12,408,683.85-18,594,013.32-8,350,156.17

Finding the Fourth Proportional to 12,408,683.85, 18,594,013.32 and 8,350,156.17

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Solution

The fourth proportional to 12,408,683.85, 18,594,013.32 and 8,350,156.17 is: 12,512,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,408,683.85 : 18,594,013.32 = 8,350,156.17 : x
  2. Step 2: Convert to fraction form
    12,408,683.85/18,594,013.32 = 8,350,156.17/x
  3. Step 3: Cross multiply
    12,408,683.85x = 18,594,013.32 × 8,350,156.17
  4. Step 4: Simplify right side
    12,408,683.85x = 155,262,915,049,060.19
  5. Step 5: Solve for x
    x = 155,262,915,049,060.19/12,408,683.85
  6. Step 6: Final answer
    x = 12,512,440.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.